| 摘要 |
FIELD: radiolocation; may be used in radars with phase method of change of angular coordinates of moving objects for guidance systems based on calculation of data on position of target. SUBSTANCE: structure of multichannel radar includes multichannel antenna feeder device and frequency converter, receiver of reference and measurement channels, path of calibration channel, signal processor, Doppler frequency synthesizer connected is series to output of receiver of reference channel, multichannel Doppler frequency filter, detector and period meter, multiplexer connected in series with output of multichannel Doppler frequency filter, converter of heterodyne frequency which second input is linked to output of heterodyne power divider, second mixer which signal output is connected to first output of frequency converter, band-pass filter, amplifier, phase meter. Second output of power divider is connected to heterodyne input of first mixer of receiver of measurement channel. Its output is connected to second input of phase meter, output of Doppler frequency synthesizer is connected through change-over switch to controlling input of circuit of controlled attenuation which signal input is linked to passive divider and which output is connected through path of calibration signal to device coupling receiving antenna feeder device and path of calibration channel. EFFECT: enhanced functional reliability. 1 dwg |
